scummvm/engines/scumm/resource_v3.cpp
2022-10-23 22:46:19 +02:00

123 lines
3.2 KiB
C++

/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include "scumm/scumm_v3.h"
#include "scumm/file.h"
#include "scumm/resource.h"
#include "scumm/util.h"
namespace Scumm {
extern const char *nameOfResType(ResType type);
int ScummEngine_v3old::readResTypeList(ResType type) {
uint num;
ResId idx;
debug(9, "readResTypeList(%s)", nameOfResType(type));
num = _fileHandle->readByte();
if (num >= 0xFF) {
error("Too many %ss (%d) in directory", nameOfResType(type), num);
}
if (type == rtRoom) {
for (idx = 0; idx < num; idx++)
_res->_types[type][idx]._roomno = idx;
_fileHandle->seek(num, SEEK_CUR);
} else {
for (idx = 0; idx < num; idx++)
_res->_types[type][idx]._roomno = _fileHandle->readByte();
}
for (idx = 0; idx < num; idx++) {
_res->_types[type][idx]._roomoffs = _fileHandle->readUint16LE();
if (_res->_types[type][idx]._roomoffs == 0xFFFF)
_res->_types[type][idx]._roomoffs = (uint32)RES_INVALID_OFFSET;
}
return num;
}
void ScummEngine_v3old::readIndexFile() {
int magic = 0;
debug(9, "readIndexFile()");
closeRoom();
openRoom(0);
magic = _fileHandle->readUint16LE();
if (magic != 0x0100)
error("The magic id doesn't match (0x%X)", magic);
_numGlobalObjects = _fileHandle->readUint16LE();
_fileHandle->seek(_numGlobalObjects * 4, SEEK_CUR);
_numRooms = _fileHandle->readByte();
_fileHandle->seek(_numRooms * 3, SEEK_CUR);
_numCostumes = _fileHandle->readByte();
_fileHandle->seek(_numCostumes * 3, SEEK_CUR);
_numScripts = _fileHandle->readByte();
_fileHandle->seek(_numScripts * 3, SEEK_CUR);
_numSounds = _fileHandle->readByte();
_fileHandle->clearErr();
_fileHandle->seek(0, SEEK_SET);
readMAXS(0);
allocateArrays();
_fileHandle->readUint16LE(); /* version magic number */
readGlobalObjects();
readResTypeList(rtRoom);
readResTypeList(rtCostume);
readResTypeList(rtScript);
readResTypeList(rtSound);
closeRoom();
}
void ScummEngine_v3::readRoomsOffsets() {
}
void ScummEngine_v3::loadCharset(int no) {
uint32 size;
memset(_charsetData, 0, sizeof(_charsetData));
assertRange(0, no, 2, "charset");
closeRoom();
Common::File file;
char buf[20];
Common::sprintf_s(buf, "%02d.LFL", 99 - no);
file.open(buf);
if (file.isOpen() == false) {
error("loadCharset(%d): Missing file charset: %s", no, buf);
}
size = file.readUint16LE();
file.read(_res->createResource(rtCharset, no, size), size);
}
} // End of namespace Scumm